package com.zoewin.zephyr.reportjasper.utils;

import org.springframework.util.ObjectUtils;

import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;

/**
 * @author wql
 */
public class ExchangeUtil {

    /**
     * 将金额转化成大写的金额
     * @param v
     * @return
     */
    public static String exchange (double v){
        final String UNIT = "万千佰拾亿千佰拾万千佰拾元角分";
        final String DIGIT = "零壹贰叁肆伍陆柒捌玖";
        final double MAX_VALUE = 9999999999999.99D;
        if (v < 0 || v > MAX_VALUE) {
            return "参数非法!";
        }
        long l = Math.round(v * 100);
        if (l == 0) {
            return "零元整";
        }
        String strValue = l + "";
        // i用来控制数
        int i = 0;
        // j用来控制单位
        int j = UNIT.length() - strValue.length();
        String rs = "";
        boolean isZero = false;
        for (; i < strValue.length(); i++, j++) {
            char ch = strValue.charAt(i);
            if (ch == '0') {
                isZero = true;
                if (UNIT.charAt(j) == '亿' || UNIT.charAt(j) == '万'
                        || UNIT.charAt(j) == '元') {
                    rs = rs + UNIT.charAt(j);
                    isZero = false;
                }
            } else {
                if (isZero) {
                    rs = rs + "零";
                    isZero = false;
                }
                rs = rs + DIGIT.charAt(ch - '0') + UNIT.charAt(j);
            }
        }
        if (rs.endsWith("元")) {
            rs = rs + "整";
        }
        rs = rs.replaceAll("亿万", "亿");
        return rs;
    }


    /**
     * 将实体类对象的键值对转化成map对象，如果变量为空就赋予空字符串
     * @param object
     * @return
     */
    public static Map mapFillDTO(Object object) {
        Field[] fields = object.getClass().getDeclaredFields();
        HashMap<Object, Object> map = new HashMap<>();
        for (int i = 0; i < fields.length; i++) {
            fields[i].setAccessible(true);
            String name = fields[i].getName();
            try {
                if (!ObjectUtils.isEmpty(fields[i].get(object))) {
                    map.put(name, fields[i].get(object) + "");
                }

            } catch (IllegalAccessException e) {
            }

        }
        return map;
    }




}
